What action should the pilot take if engine failure occurs at altitude?
A
Open the throttle as the collective pitch is raised.
B
Reduce cyclic back stick pressure during turns.
C
Lower the collective pitch control, as necessary, to maintain rotor RPM.✓ Correct Answer
Explanation
After an engine failure the pilot must immediately lower the collective to reduce blade pitch and drag so that the upward airflow keeps the rotor turning, maintaining rotor RPM in autorotation (Helicopter Flying Handbook). Opening the throttle does nothing without the engine, and raising collective would bleed rotor RPM.
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